Answer:
The correct answer would be producers as they convert light energy to chemical energy by photosynthesis.
Explanation:
The food chain is a sequence of transfer of energy and food to one organism is consumed by the other.
Trophic level is the position or the place of organisms share in the food chain. Producers are the trophic level placed in the bottom of the food chain.
Producers (plants) convert light energy into chemical energy by the process of photosynthesis. This chemical energy transfer from one trophic level to another. Producers provide food and energy to other trophic levels when they consume producer as their food. The green plants and blue-green algae are the examples of producer trophic level.
Thus, the correct answer would be producers.
In the experiment, the dependent variable is the pulse rate of the participants, which is expected to change based on the intake of caffeinated or caffeine-free soda.
In this experiment, the dependent variable is the pulse rate of the participants. This is what the researchers are measuring and observing, and it is expected to change in reaction to the manipulated variables (or independent variables).
In this case, the independent variable is the type of soda consumed: caffeinated and caffeine-free. The hypothesis being tested is that the intake of caffeine (via soda) leads to a higher pulse rate. Therefore, the pulse rate 'depends' on whether or not the soda consumed contained caffeine.
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b. yellow offspring
c. blue offspring
d. A and B
e. A, B, and C
In a dihybrid cross, a blue budgie is crossed with a white budgie creating only blue offspring because all the progeny will show genotype yyBb, option c is correct.
In a dihybrid cross, one character is dominant over the other and masks the other allele and in a dihybrid cross, it follows the law of independent assortments.
Blue offspring only, because If a bluebudgie is crossed with a white budgie, yyBB or yyBb × yybb. let us yyBb for blue budgie, so we have; yB, yb, yB, yb representing the gametes.
On the other hand, in white budgie yybb, we will have yb, yb, yb, yb representing the other gamets in the cross. if a dihybrid cross occurs among these results, all progeny in marks will be yyBb, showing that they are all Blue offspring only.
Therefore all the progeny will be blue, hence option c is correct.
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Answer:
Blue offspring only
Explanation:
If A blue budgie is crossed with a white budgie.
i.e yyBB or yyBb × yybb
let use yyBb for blue budgie,so we have; yB, yb, yB, yb representing the columns on the horizontal rows of the punnet square.
on the other hand, in white budgie yybb, we will have yb, yb, yb, yb representing the rows on the vertical column of the punnet square.
if a dihybrid cross occurs among these representative, all progeny in the punnet square will be yyBb, showing that they are all Blue offspring only.
Answer:
200 cm/s
Explanation:
Don't listen to the other answer! I got this question marked wrong for 100cm/s, the correct answer is 200cm/s.
It contains a membrane–bound nucleus, a large central vacuole, a cell wall, a cell membrane, and chloroplasts.
Pollution
Primary succession
Primary succession describes the process of the series of photographs. thus, option D is correct.
Primary succession, type of ecological succession (the evolution of a biological community’s ecological structure) in which plants and animals first colonize a barren, lifeless habitat. Species that arrive first in the newly created environment are called pioneer species, and through their interactions they build a simple initial biological community.
The process, primary succession, would best describe the series of photographs when all of the topsoils were destroyed after the eruption. There is just one thing to remember about this, the primary succession occurs on the land that has nothing and is the soil-building process.
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